a·ver·sion (?-vûr?zh?n)n.1. a. A fixed, intense dislike; repugnance: formed an aversion to crowds.b. The cause or object of such a feeling: “I jumped up, and ran out of the room … because a newspaper writer is my aversion” (Fanny Kemble).2. The avoidance of a thing, situation, or behavior because it has been associated with an unpleasant or painful stimulus.3. The act or fact of averting: the aversion of a disaster.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.aversion (??v????n) n1. (usually foll by: to or for) extreme dislike or disinclination; repugnance2. a person or thing that arouses this: he is my pet aversion. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014a?ver?sion (??v?r ??n, -??n) n. 1. a strong feeling of dislike, repugnance, or antipathy toward something and a desire to avoid it: an aversion to snakes. 2. a cause or object of such a feeling. 3. Obs. the act of turning away or preventing. [1590?1600;